integrated dcp templates, changed reset email to use templates

src/templates.js

@@ -6,16 +6,92 @@ var fs = require('fs');
 
 	function loadTemplates(templatesToLoad) {
 		for (var t in templatesToLoad) {
-			(function(template) {
-				fs.readFile(global.configuration.ROOT_DIRECTORY + '/public/templates/' + template + '.tpl', function(err, html) {
-					global.templates[template] = html;
+			(function(file) {
+				fs.readFile(global.configuration.ROOT_DIRECTORY + '/public/templates/' + file + '.tpl', function(err, html) {
+					var template = function() {
+						this.toString = function() {
+							return this.html;
+						};
+					}
+
+					template.prototype.parse = parse;
+					template.prototype.html = String(html);
+					
+					global.templates[file] = new template;
 				});
 			}(templatesToLoad[t]));
 		}
 	}
 
 	Templates.init = function() {
-		loadTemplates(['header', 'footer', 'register', 'home', 'login', 'reset', 'reset_code']);
+		loadTemplates(['header', 'footer', 'register', 'home', 'login', 'reset', 'reset_code', 'emails/reset']);
+	}
+
+	var parse = function(data) {
+		function replace(key, value, template) {
+			return template.replace("{" + key + "}", value);
+		}
+
+		function makeRegex(block) {
+			return new RegExp("<!-- BEGIN " + block + " -->[^]*<!-- END " + block + " -->", 'g');
+		}
+
+		function getBlock(regex, block, template) {
+			data = template.match(regex);			
+			if (data == null) return;
+
+			data = data[0]
+				.replace("<!-- BEGIN " + block + " -->", "")
+				.replace("<!-- END " + block + " -->", "");
+
+			return data;
+		}
+
+		function setBlock(regex, block, template) {
+			return template.replace(regex, block);
+		}
+
+		var template = this.html, regex, block;
+
+		return (function parse(data, namespace, template) {
+
+			for (var d in data) {
+				if (data.hasOwnProperty(d)) {
+					if (data[d] instanceof String) {
+						continue;
+					} else if (data[d].constructor == Array) {
+						namespace += d;
+						
+						regex = makeRegex(d),
+						block = getBlock(regex, namespace, template)
+						if (block == null) continue;
+
+						var numblocks = data[d].length - 1, i = 0, result = "";
+
+						do {
+							result += parse(data[d][i], namespace + '.', block);
+						} while (i++ < numblocks);
+						
+						template = setBlock(regex, result, template);
+						
+					} else if (data[d] instanceof Object) {
+						namespace += d + '.';
+						
+						regex = makeRegex(d),
+						block = getBlock(regex, namespace, template)
+						if (block == null) continue;
+
+						block = parse(data[d], namespace, block);
+						template = setBlock(regex, block, template);
+					} else {								
+						template = replace(namespace + d, data[d], template);
+					}
+				}					
+			}
+
+			return template;
+			
+		})(data, "", template);
 	}
 
 }(exports));